Contrary to widespread belief, the Islamic State does not have a long record of claiming responsibility for attacks in which it was not involved.
“Islamic State claims responsibility for Sri Lanka bombings,” Reuters, April 23, 2019:
CAIRO (Reuters) – Islamic state has claimed responsibility for coordinated bombings in Sri Lanka which killed 321 people and injured about 500 others, the group’s AMAQ news agency said on Tuesday.
The group did not give evidence for its claim.